:root {
    --bg-dark: #001418;
    --bg-card: #0f172a;
    --neon-cyan: #4FFFFF;
    --accent-teal: #22d3ee;
    --mint: #a7f3d0;
    --text-main: #e2e8f0;
    --text-dim: #94a3b8;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(79, 255, 255, 0.1);
    background: rgba(0, 20, 24, 0.7);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--neon-cyan);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--neon-cyan);
}

/* Buttons */
.btn-primary {
    background: var(--neon-cyan);
    color: var(--bg-dark);
    padding: 14px 28px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(79, 255, 255, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 10px 20px;
    text-decoration: none;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(79, 255, 255, 0.1);
    box-shadow: inset 0 0 10px rgba(79, 255, 255, 0.2);
}

/* Hero */
.hero {
    padding: 200px 0 120px;
    position: relative;
}

.techno-marker {
    color: var(--neon-cyan);
    font-family: monospace;
    font-size: 0.8rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 300;
    line-height: 1.1;
    max-width: 800px;
    margin-bottom: 30px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 500px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.neon-arrow {
    color: var(--neon-cyan);
    font-size: 1.5rem;
    animation: slideRight 2s infinite;
}

@keyframes slideRight {
    0%, 100% { transform: translateX(0); opacity: 0.5; }
    50% { transform: translateX(10px); opacity: 1; }
}

/* Sections */
.section-title {
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.marker {
    color: var(--neon-cyan);
    font-size: 0.7rem;
}

.benefits, .composition {
    padding: 100px 0;
}

.protocol,
.insight,
.reviews {
    padding: 100px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card {
    border: 1px solid rgba(226, 232, 240, 0.05);
    padding: 40px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--accent-teal);
    background: rgba(34, 211, 238, 0.02);
}

.card-icon {
    font-size: 0.8rem;
    color: var(--neon-cyan);
    margin-bottom: 20px;
    opacity: 0.6;
}

.card h3 {
    margin-bottom: 15px;
    font-weight: 400;
}

/* Light Trails */
.light-trail {
    position: absolute;
    height: 1px;
    width: 100%;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0.2;
}

.trail-reverse {
    background: linear-gradient(-90deg, transparent, var(--accent-teal), transparent);
}

.protocol-grid,
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.protocol-card,
.review-card,
.stat-card {
    border: 1px solid rgba(226, 232, 240, 0.06);
    background: rgba(15, 23, 42, 0.42);
    padding: 30px;
    transition: var(--transition);
}

.protocol-card:hover,
.review-card:hover,
.stat-card:hover {
    border-color: var(--accent-teal);
    background: rgba(34, 211, 238, 0.03);
}

.protocol-step {
    display: inline-block;
    margin-bottom: 16px;
    color: var(--neon-cyan);
    font-size: 2rem;
    font-weight: 700;
}

.protocol-card h3,
.review-card strong,
.stat-card strong {
    color: var(--text-main);
}

.protocol-card h3 {
    margin-bottom: 12px;
    font-weight: 400;
}

.protocol-card p,
.review-card p,
.stat-card span,
.insight-copy p {
    color: var(--text-dim);
}

.insight-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 28px;
    align-items: start;
}

.insight-list {
    list-style: none;
    display: grid;
    gap: 12px;
    margin-top: 22px;
}

.insight-list li {
    position: relative;
    padding-left: 22px;
    color: var(--text-dim);
}

.insight-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-cyan);
}

.insight-stats {
    display: grid;
    gap: 18px;
}

.stat-card strong {
    display: block;
    margin-bottom: 8px;
    color: var(--neon-cyan);
}

.reviews {
    border-top: 1px solid rgba(226, 232, 240, 0.04);
    border-bottom: 1px solid rgba(226, 232, 240, 0.04);
}

.review-card p {
    margin-bottom: 16px;
}

/* Form */
.order-form {
    padding: 100px 0;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 40px;
}

.form input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--text-dim);
    padding: 15px 5px;
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form input:focus {
    border-color: var(--neon-cyan);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(226, 232, 240, 0.05);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer-links a:hover {
    color: var(--neon-cyan);
}

.footer-bottom {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
    border-top: 1px solid rgba(226, 232, 240, 0.05);
    padding-top: 40px;
}

@media (max-width: 768px) {
    .grid,
    .protocol-grid,
    .reviews-grid,
    .insight-layout { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .footer-grid { flex-direction: column; gap: 40px; }
}